PSI - New Jersey Master Plumber Contractor

PSI - New Jersey Master Plumber Contractor Online Home Study

The Online Home Study Course includes:  

• How to take this course video
• How to register for the exam(s)
• The 6 segments of test-taking techniques  
• List of required reference books for your exam and when they update
•  Practice Exams with hundreds of practice questions and answers page numbers & solutions 
• 1-year access to online course and a live instructor (discounts on extensions)
• Access to an instructor via Phone call, Text message, Zoom, or email.
• Tab and highlight locations for all the books to show you what is important to study.

# of Questions 100

% Required to Pass 70

Time Allowed 195 Minutes

CONTENT OUTLINE
Subject Area # of Items:
General Knowledge, 7 
Materials, Uses, and Specifications, 17 
Traps, Interceptors, and Backflow Prevention, 15 
Plumbing Fixtures, Fixture Fittings, and Plumbing Appliances, 13 
Water Supply Systems, 12 
Drains and Waste 
       a. Indirect Waste 
       b. Roof Drain Piping, 15 
Specialty Plumbing, 4 
Safety, 7 
Vent Systems, 10 

Reference Books

The following reference will be allowed in the examination center: 

• National Standard Plumbing Code, 2021, Plumbing- Heating-Cooling Contractors Association,

The following reference tools were utilized to develop the examination; however, they are NOT allowed in the examination center: 

• Mathematics for Plumbers and Pipefitters, 8th Edition, 
  2013,  
• Code of Federal Regulations - 29 CFR Part 1926 (OSHA), with latest available amendments, 
  
• Modern Plumbing, 7th Edition, 2010, 
• Plumbing Design and Installation, 4th Edition, 2011,

updated 4/23/25